Baur
n. biologically active ultraviolet radiation 具有生物活性的紫外辐射
🗣️ 情景例句
I have a lot of work to do to get ready for tomorrow.
我得为明天做许多准备工作。
She took an aspirin to relieve her headache.
她吃了一片阿斯匹林以解头痛。
Would you like to try it?
您要试一试吗？